Road-building machine.



B. F. STEVENS & W. ROAGH.

ROAD BUILDING MACHINE.

APPLICATION FILED NOV. 12, 1912.

1,070,198. I Patented Aug. 12, 1913.

2 SHEETS-SHEET 1.

ZZMafldfiJizW/m William fimg,

ventor Attorneys B. P. STEVENS & W. ROAGH.

ROAD BUILDING MACHINE.

APPLICATION FILED NOV.12, 1912.

1,070,1 98. Patented Aug. 12, 1913.

2 SHEETS-SHEET 2.

9 flzmrdfi'd'lamerza'a f I Attqrnys EDWARD F. STEVENS AND WILLIAM BOACH, OF RUDOLPH, OHIO.

ROAD-BUILDING MACHINE.

Specification of Letters Patent.

Patented Aug. 12,1913.

Application filed November 1;, 1912, Serial n, 730,993.

To all whom it may concern:

Be it known that we, EDWARD F. Srnvnns and WILLIAM ROAOH, citizens of the United States, residing at Rudolph, in the county of Wood, State of Ohio, have invented a new and 'useful Road- Building Machine, of which the following is a specification.

vThis invention relates to road building machines, the same being particularly designed for use in the construction of macadamized roads. In building roads of this character it has been customary first to roll the large stones after which hand brooms have been used for brushing screenings into the interstices so as thus to form a compact surface. This use of hand brooms has obviously, been a slow and expensive proceeding but, heretofore, no meanshas been devised where'by such use might be dispensed with.

One of the objects of the present inven-.

,tion is to provide means, designed to be combined with an ordinary roller, whereby the screenings will not only be scraped over the surface of the rolled stone, but will also be brushed between the large stones so as to completely fill the interstices-and thus produce a compact surface.

Another object is'to provide a device of this character which can be applied readily to ordinary types of steam rollersnow in use and which can be easily controlled by the person operating the roller.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood cal transverse section through one of the brushes. Fig. 4: is a longitudinal section through one of the bearings of a brush. Fig. 5 is a rear elevation of the brushes and their frames.

Referring to the figures by characters of reference, 1 designates a portion of a rollerof that type used in the building of roads, the roller being of any desired construction.

It has not been deemed necessary to show the complete roller-inasmuch as any form may be employed. This roller is to be. used in the ordinary way for compressing the stones of which the surface of the road is made and the scraping and sweeping means used in connection therewith is adapted to be connected to the back end of the roller frame. This structure includes spaced frames 2 hingedly connected, at their front ends, to the roller structure 1, as shown at 3, so as thus to be capable of swinging upwardly and downwardly. Supporting casters 4 or the like are connected to the rear portions of the frames 2. Interpo-sed between the frames 2 is a connecting structure 5 whereby the frames are caused to move together upwardly and downwardly. This structure 5 has anupstanding arm 6 to which is connected a cable 7 or the like, this cable being attached to a drum 8 located on the roller structure near the operators seat. By means of this drum and cable, the frames 2 can be simultaneously raised or lowered.

Journaled in the structure 5 is a shaft 9 having a sprocket 10 thereon, this sprocket being adapted to receive motion, through a chain 11, from a sprocket 12 which is carried by the roller structure and is adapted to be rotated in any suitable manner. It is preferred to have this sprocket 12 secured to the rear or drive axle of the roller. The shaft 9 extends, at its ends, into the frames 2 and is connected, at each end, by means of a universal joint 13, to a brush shaft 14 one end of which is journaled in a box 15 mounted on an arcuate supporting strip 16. This arcuate stripis provided with a plurality of apertures and it is to be understood that the bearing box 15 can be adjusted alon this arcuate strip and held in any desire position by inserting bolts, such as shown at 17, through the apertures registering therewith. Each shaft 14 has disk-like heads 18 secured to it, these heads being connected by parallel holding strips 19 arranged in pairs, as shown in Fig. 3. A brush head 20, in the form of an elongated strip, is adapted to be inserted between the connecting strips 19 of each pair and to be held thereto by means of bolts, as shown in Fig. 3, each brush head having bristles preferably formed of wire extending from it. A scraper blade 21 is carried by each of the frames 2 directly in front of the brush mounted in the frame and is adapted to contact with the surface which has been rolled.

In using the apparatus, the roller operates as ordinarily to compress the stone of which the road is made and, as the frames 2 are connected to the back end of the roller, it will be apparent that the rolled surface will be contacted by the scraper blades 21, these scrapers serving to pick up and drag any loose stones which may extend above the rolled surface. The blades 21 are followed by the brushes which operate to brush the screenings so as to fill the intersticesbetween the larger stones and thus produce a compact road structure. By providing the adjustable bearing boxes 15,the brushes can be adjusted angularly so as to direct the sweepings toward either side of the road or toward the center thereof. Thus the operation of sweeping the screenings into the interstices is greatly simplified and consequently rendered less expensive. As a result, the cost of making macadamized roads and roads of similar types is considerably lessened. When it is desired to elevate the brushes and the scraping blades so as to not engage-the road, it is merely necessary to wind the cable 7 upon the drum8, whereupon the frames 2 will swing upwardly about their hinge connections 3.

What is claimed is 1. In a road building machine, the combination with a roller, of a rearwardly extending frame connected to the roller, a revoluble brush supported by the frame, means for adjusting the brush an larly within the frame, and means for shlfting the frame to move the brush into and out of engagement with the road.

2. A road building machine including a roller, a frame extending rearwardly therefrom, spaced brushes arranged side by side ings toward or away from the center of the path of the roller.

3. A road building machine"including a roller, a frame extending rearwardly therefrom, spaced brushes arranged side b side and mounted to rotate within the rame, means for separately adjusting the brushes angularly within the frame to direct sweepings toward or away from the center of the path of the roller, and means for raising and lowering the frame to shift the brushes into or out of engagement with the road,

4. A road building machine including a roller, a frame extending rearwardly therefrom, spaced brushes arranged side by side and mounted to rotate within the frame, means for separately adjusting the brushes angularly within the frame to direct sweepings toward or away from the center of the path of-the roller, means for raising and lowering the frame to shift the brushes into or out of engagement with the road, and a scraping blade fixedly connected to the frame between each brush and the roller.

1 5. A road building machine including a roller, a frame hingedly connected thereto, means for swinging the frame upwardly and downwardly, a drive shaft, means for actuating the same, a brush shaft connected to the drive 'shaft'by a universal joint, an arcuate support carried by the frame, a bearing box adjustable thereon, said box bein engaged by the brush shaft, and a brus revoluble with said shaft.

"In testimony that we claim the foregoing as our own, we have hereto affixed our signatures in the presence of witnesses.

EDWARD F. STEVENS. WILLIAM ROAOH.

Witnesses:

FRANK RoAoH, CLARK ROAGH, ALBERT 1-1., MILLER. 

